feat: Passwordless cross-device authentication

- Arkitektur: docs/auth/passwordless-architecture.md
- Backend: iom/quixzoom-auth-service/ (FastAPI + Redis)
- Webb: quixzoom-market-pages/se/login/ (QR-kod + polling)
- App: iom/quixzoom-app/src/features/auth/ (push + deep links)

Flöde: QR-kod → app-godkännande → webb-inloggad

landvex-admin-v2/node_modules/browserify-zlib/karma.conf.js

@@ -0,0 +1,11 @@
+module.exports = function (karma) {
+  karma.set({
+    frameworks: ['mocha'],
+    files: ['test/tmp/browserified.js'],
+    reporters: ['mocha-own'],
+    mochaOwnReporter: {
+      reporter: 'spec'
+    },
+    browsers: process.env.TRAVIS ? ['Firefox', 'PhantomJS'] : ['Chrome', 'PhantomJS']
+  })
+}